Recombinant Technologies to Improve Ruminant Production
The use of recombinant technologies has been proposed as an approach to improve livestock produc-tion systems.In ruminant production systems,recombinant hormones could remarkably improve both the reproduc-tive and productive performance of animals.More recently the use of recombinant antigens and immune cells have proven to be effective in increasing meat and milk production in ruminant production systems.Likewise,the use of recombinant vaccines could help to reduce drug resistance developed by parasites and improve animal health.Re-combinant enzymes and probiotics could help to enhance rumen fermentation and animal efficiency.Many of these recombinant technologies are still highly experimental.Thus,the feasibility of these technologies should be careful-ly addressed before implementation.Alternatively,the use of transgenic animals and the development of genome editing technology has expanded the frontiers in science and research.This article summarizes the effects and appli-cations of recombinant technologies on the performance,health status,and rumen fermentation of ruminants in or-der to provide references for the sustainable development of ruminant production.
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